Linux 即使其他程序可以运行 OpenCV，程序也无法运行
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Program cannot run OpenCV even though others can
提问by clifgray
I am trying to run a program that uses OpenCV and I have gotten it to run on other machines, and other programs on my machine run using it, but this one returns:
我正在尝试运行一个使用 OpenCV 的程序，我已经让它在其他机器上运行，我机器上的其他程序使用它运行，但这个返回：
programname.cpp: fatal error: opencv/cv.h: No such file or directory
Anyone know how to fix the path or what might be going wrong? I am running Ubuntu 12.04 and OpenCV-2.4.0
任何人都知道如何修复路径或可能出现什么问题？我正在运行 Ubuntu 12.04 和 OpenCV-2.4.0
采纳答案by Samuel Gosselin
On my Ubuntu 11.04, the headers are in: */usr/include/opencv-2.3.1/*, I assume it should be */usr/include/opencv-2.4.0/*for you.
在我的 Ubuntu 11.04 上，标题在: 中*/usr/include/opencv-2.3.1/*，我认为它应该*/usr/include/opencv-2.4.0/*适合您。
You have two solutions:
您有两种解决方案：
- When you compile, use the
-Ioption:g++ -o [name] [src] -I/usr/include/opencv-2.4.0 - Create symbolic links to opencv-2.4.0/opencvand opencv-2.4.0/opencv2in /usr/include.
- 编译时，使用
-I选项：g++ -o [name] [src] -I/usr/include/opencv-2.4.0 - 在/usr/include 中创建指向opencv-2.4.0/opencv和opencv-2.4.0/opencv2 的符号链接。
The second solution is useful if you're using CMake, because FindOpenCV2 does not look for OpenCV in /usr/include/opencv-2.4.0. I hope this (ugly) hack will solve your problem.
如果您使用 CMake，则第二种解决方案很有用，因为 FindOpenCV2 不会在/usr/include/opencv-2.4.0. 我希望这个（丑陋的）hack 能解决你的问题。
回答by jag2kn
Change from:
更改自：
#include <opencv/cv.h>
#include <opencv/cv.h>
to:
到：
#include <opencv2/opencv.hpp>
#include <opencv2/opencv.hpp>
